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Finding the Fourth Proportional to 58,572.32, 80,826.59 and 34,370.03

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Solution

The fourth proportional to 58,572.32, 80,826.59 and 34,370.03 is: 47,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.32 : 80,826.59 = 34,370.03 : x
  2. Step 2: Convert to fraction form
    58,572.32/80,826.59 = 34,370.03/x
  3. Step 3: Cross multiply
    58,572.32x = 80,826.59 × 34,370.03
  4. Step 4: Simplify right side
    58,572.32x = 2,778,011,747.11
  5. Step 5: Solve for x
    x = 2,778,011,747.11/58,572.32
  6. Step 6: Final answer
    x = 47,428.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.